RHS 35x25x3 Hiasa · Weight & Dimensions

Hiasa, cold-formed sections · Rectangular Hollow Section

Rectangular Hollow Sections (RHS) are tubular profiles with excellent torsional resistance and aesthetic appeal. Used for columns, trusses, and exposed structural elements.

Also known as: PTR 35x25 cal 11 (México) · Caño estructural 35x25 (Argentina)

The RHS 35x25x3 steel profile weighs 2.4 kg/m (1.59 lb/ft), has a depth of 35 mm (1.38 in), flange width 25 mm (0.98 in). Cross-sectional area: 300.823 mm². Moment of inertia Ix = 4.408 cm⁴, Iy = 2.571 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3 mm ≈ 11 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	35 mm	1.38 in
Width (b)	25 mm	0.98 in
Thickness (t)	3 mm	0.12 in
Fillet radius (r)	6 mm	0.24 in
Weight	2.4 kg/m	1.59 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	300.82 mm²	0.466 in²
Moment of inertia (Ix)	4.41 cm⁴	0.11 in⁴
Moment of inertia (Iy)	2.57 cm⁴	0.06 in⁴
Elastic section modulus (Sx)	2.52 cm³	0.154 in³
Elastic section modulus (Sy)	2.06 cm³	0.126 in³
Plastic section modulus (Zx)	3.27 cm³	0.199 in³
Plastic section modulus (Zy)	2.57 cm³	0.157 in³
Radius of gyration (rx)	1.21 cm	0.477 in
Radius of gyration (ry)	0.92 cm	0.364 in